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2016 Blue Lexus CT200h F-Sport
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315 Posts
Yea, but why does it turn off after only a few minutes? Just curious
My guess is that it's programmed to turn off after a few minutes because whoever designed it figured that this was enough time to filter out enough. Maybe running the filter constantly would use it up or clog it up faster without much additional benefit.
 

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Super Moderator
2016 Blue Lexus CT200h F-Sport
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315 Posts
so, are you saying, that the cabin filter behind the glove box is only used when you press this button?
that filter normally filters outside air, not inside air. So, when the system is set to recirculate, it's not being filtered. Unless you hit the pollen filter button.
 
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